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Re: [dm-devel] [PATCH v2 10/12] block: update request stacking methods to support discards

From: Christoph Hellwig <hch infradead org>
To: device-mapper development <dm-devel redhat com>
Cc: Jens Axboe <jaxboe fusionio com>, Christoph Hellwig <hch lst de>, Kiyoshi Ueda <k-ueda ct jp nec com>
Subject: Re: [dm-devel] [PATCH v2 10/12] block: update request stacking methods to support discards
Date: Tue, 27 Jul 2010 10:54:36 -0400

On Sat, Jul 24, 2010 at 12:09:26PM -0400, Mike Snitzer wrote:
> Propagate REQ_DISCARD in cmd_flags when cloning a discard request.
> Skip blk_rq_check_limits's existing checks for discard requests because
> discard limits will have already been checked in blkdev_issue_discard.

Looks good,


Reviewed-by: Christoph Hellwig <hch lst de>

References:
- [dm-devel] [PATCH v2 00/12] dm: enable discard support for more targets
  - From: Mike Snitzer
- [dm-devel] [PATCH v2 10/12] block: update request stacking methods to support discards
  - From: Mike Snitzer

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